๐Statistics MCQs
Statistics MCQs
490 MCQs21
If x and y are Independent to each other the coefficient of correlation is _____________?
A-1
B+1
C.6
D0
22
Two attributes are associated if expected frequency is ____________________?
ALess than observed
BGreater than observed
CEqual to observed
DNone of these
23
In perfect association the value of coefficient of association is ______________?
A(0)
B+1
C-1
Dnon of these
24
Attributes are _______ if they have some relation?
ADisassociation
BIn consistent
CAssociated
DNone of these
25
Richness is not a ________________?
AConstant
BDiscreade
CVariable
DContinuous
26
ฮณxy is always equal to_____________?
Aฮณyx
B-ฮณyx
Cฮณx
Dฮณo2
27
To cut a population into three classes is called_______________?
ADichotomy
BCapital
CTracheotomy
DAttribute
28
The table representing two attributes is called________________?
ARandom table
BContingency table
CDichotomy table
DChi-square table
29
In r x c table for test of Independence the degree of freedom is _____________?
Ar + c
Brc
Cฮน r โ c ฮน
D(r -1) (c -1)
30
If bxy = -.8 by x = 1.2 then value of r is ________________?
Aโ.96
Bโ-.96
C0
DNone of these